EP 0115837 B1 19880316 - PROCESS FOR THE PRODUCTION OF BENZOFURAN DERIVATIVES
Title (en)
PROCESS FOR THE PRODUCTION OF BENZOFURAN DERIVATIVES
Publication
Application
Priority
IT 1942983 A 19830204
Abstract (en)
[origin: ES8506687A1] Procedure for the preparation of benzofuran derivatives of general formula (I), in which r is a radical of alkyl with 1 to 6 atoms of carbon.consiste in heating a solution of a eter of pirocatecol of general formula (II), in which has the meaning already mentioned, in an organic solvent inert and in the presence of a catalyst that comprises metals of group 3.o and 4.o of the periodic system, in the form of carboxylates or modified zeolites. Such solution is warm to a temperature comprised between 60 and 220 degrees. Application in the preparation of polyvalent insecticides. (Machine-translation by Google Translate, not legally binding)
IPC 1-7
IPC 8 full level
B01J 29/06 (2006.01); B01J 31/00 (2006.01); B01J 31/04 (2006.01); B01J 31/38 (2006.01); C07B 61/00 (2006.01); C07D 307/86 (2006.01)
CPC (source: EP KR US)
C07D 307/86 (2013.01 - EP KR US)
Citation (examination)
EP 0112785 A1 19840704 - RHONE POULENC AGROCHIMIE [FR]
Designated contracting state (EPC)
AT BE CH DE FR GB LI LU NL SE
DOCDB simple family (publication)
EP 0115837 A1 19840815; EP 0115837 B1 19880316; AT E33024 T1 19880415; AU 2399384 A 19840809; AU 558343 B2 19870129; BR 8400466 A 19840911; DE 3469897 D1 19880421; ES 529450 A0 19850801; ES 8506687 A1 19850801; IL 70863 A0 19840531; IL 70863 A 19870916; IN 158381 B 19861101; IT 1199987 B 19890105; IT 8319429 A0 19830204; JP H0412266 B2 19920304; JP S59167583 A 19840921; KR 840007594 A 19841208; KR 900003280 B1 19900512; US 4816592 A 19890328; ZA 84763 B 19840926
DOCDB simple family (application)
EP 84100920 A 19840130; AT 84100920 T 19840130; AU 2399384 A 19840201; BR 8400466 A 19840203; DE 3469897 T 19840130; ES 529450 A 19840203; IL 7086384 A 19840203; IN 88CA1984 A 19840204; IT 1942983 A 19830204; JP 1724584 A 19840203; KR 840000499 A 19840203; US 57554484 A 19840131; ZA 84763 A 19840201